keyword
https://read.qxmd.com/read/38544561/social-evaluative-implications-of-sensory-adaptation-to-human-voices
#1
JOURNAL ARTICLE
Kelsey L Neuenswander, Grace S R Gillespie, David J Lick, Gregory A Bryant, Kerri L Johnson
People form social evaluations of others following brief exposure to their voices, and these impressions are calibrated based on recent perceptual experience. Participants adapted to voices with fundamental frequency ( f o ; the acoustic correlate of perceptual pitch) manipulated to be gender-typical (i.e. masculine men and feminine women) or gender-atypical (i.e. feminine men and masculine women) before evaluating unaltered test voices within the same sex. Adaptation resulted in contrastive aftereffects. Listening to gender-atypical voices caused female voices to sound more feminine and attractive (Study 1) and male voices to sound more masculine and attractive (Study 2)...
March 2024: Royal Society Open Science
https://read.qxmd.com/read/38544437/role-of-arm-reaching-movement-kinematics-in-friction-perception-at-initial-contact-with-smooth-surfaces
#2
JOURNAL ARTICLE
Naqash Afzal, Sophie du Bois de Dunilac, Alastair J Loutit, Helen O Shea, Pablo Martinez Ulloa, Heba Khamis, Richard M Vickery, Michaël Wiertlewski, Stephen J Redmond, Ingvars Birznieks
When manipulating objects, humans begin adjusting their grip force to friction within 100 ms of contact. During motor adaptation, subjects become aware of the slipperiness of touched surfaces. Previously, we have demonstrated that humans cannot perceive frictional differences when surfaces are brought in contact with an immobilised finger, but can do so when there is submillimeter lateral displacement or subjects actively make the contact movement. Similarly, in, we investigated how humans perceive friction in the absence of intentional exploratory sliding or rubbing movements, to mimic object manipulation interactions...
March 28, 2024: Journal of Physiology
https://read.qxmd.com/read/38544259/concurrent-supra-postural-auditory-hand-coordination-task-affects-postural-control-using-sonification-to-explore-environmental-unpredictability-in-factors-affecting-fall-risk
#3
JOURNAL ARTICLE
Dobromir Dotov, Ariel Motsenyat, Laurel J Trainor
Clinical screening tests for balance and mobility often fall short of predicting fall risk. Cognitive distractors and unpredictable external stimuli, common in busy natural environments, contribute to this risk, especially in older adults. Less is known about the effects of upper sensory-motor coordination, such as coordinating one's hand with an external stimulus. We combined movement sonification and affordable inertial motion sensors to develop a task for the precise measurement and manipulation of full-body interaction with stimuli in the environment...
March 21, 2024: Sensors
https://read.qxmd.com/read/38539642/cortical-sensorimotor-integration-as-a-neural-origin-of-impaired-grip-force-direction-control-following-stroke
#4
JOURNAL ARTICLE
Christian Schranz, Na Jin Seo
BACKGROUND: Stroke is a major cause of disability worldwide. Upper limb impairment is prevalent after stroke. One of the post-stroke manifestations is impaired grip force directional control contributing to diminished abilities to grip and manipulate objects necessary for activities of daily living. The objective of this study was to investigate the neural origin of the impaired grip force direction control following stroke. Due to the importance of online adjustment of motor output based on sensory feedback, it was hypothesized that grip force direction control would be associated with cortical sensorimotor integration in stroke survivors...
March 5, 2024: Brain Sciences
https://read.qxmd.com/read/38538787/a-brainstem-hypothalamus-neuronal-circuit-reduces-feeding-upon-heat-exposure
#5
JOURNAL ARTICLE
Marco Benevento, Alán Alpár, Anna Gundacker, Leila Afjehi, Kira Balueva, Zsofia Hevesi, János Hanics, Sabah Rehman, Daniela D Pollak, Gert Lubec, Peer Wulff, Vincent Prevot, Tamas L Horvath, Tibor Harkany
Empirical evidence suggests that heat exposure reduces food intake. However, the neurocircuit architecture and the signalling mechanisms that form an associative interface between sensory and metabolic modalities remain unknown, despite primary thermoceptive neurons in the pontine parabrachial nucleus becoming well characterized1 . Tanycytes are a specialized cell type along the wall of the third ventricle2 that bidirectionally transport hormones and signalling molecules between the brain's parenchyma and ventricular system3-8 ...
March 27, 2024: Nature
https://read.qxmd.com/read/38533575/intestinal-microbiota-modulates-neuroinflammatory-response-and-brain-injury-after-neonatal-hypoxia-ischemia
#6
JOURNAL ARTICLE
Alexander Drobyshevsky, Sylvia Synowiec, Ivan Goussakov, Rafael Fabres, Jing Lu, Michael Caplan
Premature infants lack a normal intestinal microbial community and also at risk of perinatal hypoxic-ischemic (HI) brain injury, which is considered to be one of the major factors for motor, sensory, and cognitive deficits. We hypothesized that neonatal gut microbiota composition modulated the immune reaction and severity of neonatal H-I brain injury. Neonatal C57BL/6J mouse pups were exposed to H-I protocol consisting of permanent left carotid artery ligation, followed by 8% hypoxia for 60 min. Microbial manipulation groups included 1) antibiotic treatment, E18 (maternal) to P5; 2) antibiotic treatment E18 to P5 + E...
2024: Gut Microbes
https://read.qxmd.com/read/38530697/sensory-organization-and-postural-control-strategies-in-individuals-with-mild-and-moderate-to-severe-forward-head-posture-a-comparative-study
#7
JOURNAL ARTICLE
Nahid Pirayeh, Zahra Heidary, Mohammad Mehravar, Mohammad Jafar Shaterzadeh Yazdi, Neda Mostafaee
OBJECTIVE: This study aimed to compare sensory organization test and postural control strategies between individuals with mild and moderate-to-severe forward head posture (FHP). METHODS: A sensory organization test (SOT) was performed in 6 conditions using computerized dynamic posturography, to assess postural control. Equilibrium scores representing overall balance, strategy analysis to assess ankle vs hip strategy dominance, and sensory analysis (Somatosensory, visual, vestibular, visual preference ratio) as an indicator of the use of sensory systems were obtained...
March 26, 2024: Journal of Manipulative and Physiological Therapeutics
https://read.qxmd.com/read/38522269/relative-contribution-of-sensory-and-motor-deficits-on-grip-force-control-in-patients-with-chronic-stroke
#8
JOURNAL ARTICLE
Ryo Akaguchi, Yusaku Takamura, Hiroyuki Okuno, Shu Morioka, Noritaka Kawashima
OBJECTIVE: This study aimed to characterize grasping behavior in static (weight-dependent modulation and stability of control) and dynamic (predictive control) aspects specifically focusing on the relative contribution of sensory and motor deficits to grip force control in patients with chronic stroke. METHODS: Twenty-four chronic stroke patients performed three manipulative tasks: five trials of 5-s grasp-lift-holding, 30-s static holding, and vertical dynamic/cyclic oscillation of holding the object...
March 6, 2024: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/38514686/a-gps-assisted-translocation-experiment-to-study-the-homing-behavior-of-red-deer
#9
JOURNAL ARTICLE
Václav Silovský, Lukas Landler, Monika Faltusová, Luca Börger, Hynek Burda, Mark Holton, Ondřej Lagner, Erich Pascal Malkemper, Astrid Olejarz, Magdalena Spießberger, Adam Váchal, Miloš Ježek
Many animals return to their home areas (i.e., 'homing') after translocation to sites further away. Such translocations have traditionally been used in behavioral ecology to understand the orientation and migration behavior of animals. The movement itself can then be followed by marking and recapturing animals or by tracking, for example, using GPS systems. Most detailed studies investigating this behavior have been conducted in smaller vertebrates (e.g., birds, amphibians, and mice), whereas information on larger mammals, such as red deer, is sparse...
March 21, 2024: Scientific Reports
https://read.qxmd.com/read/38511992/spread-it-on-thick-relative-effects-of-condiment-addition-and-slice-thickness-on-eating-rate-of-bread
#10
JOURNAL ARTICLE
Dieuwerke P Bolhuis, Matthijs Dekker, Stefano Renzetti
Manipulating eating rate (ER) by food properties may enhance or reduce food intake. Within composite foods, such as bread with condiments, the shape of carrier food and the use of condiments are known to influence ER. However, not much is known about their quantitative impacts and interactions. This study investigates the effect of bread slice thickness and addition of condiment on oral processing (ER, chews per g, bite size). In a full factorial design, 30 participants (BMI 21.6 ± 2.0 kg m-2 , 23.3 ± 2...
March 21, 2024: Food & Function
https://read.qxmd.com/read/38510069/a-multifunctional-flexible-sensor-based-on-pi-mxene-srtio-3-hybrid-aerogel-for-tactile-perception
#11
JOURNAL ARTICLE
Shihao Deng, Yue Li, Shengzhao Li, Shen Yuan, Hao Zhu, Ju Bai, Jingyi Xu, Lu Peng, Tie Li, Ting Zhang
The inadequacy of tactile perception systems in humanoid robotic manipulators limits the breadth of available robotic applications. Here, we designed a multifunctional flexible tactile sensor for robotic fingers that provides capabilities similar to those of human skin sensing modalities. This sensor utilizes a novel PI-MXene/SrTiO3 hybrid aerogel developed as a sensing unit with the additional abilities of electromagnetic transmission and thermal insulation to adapt to certain complex environments. Moreover, polyimide (PI) provides a high-strength skeleton, MXene realizes a pressure-sensing function, and MXene/SrTiO3 achieves both thermoelectric and infrared radiation response behaviors...
May 6, 2024: The innovation
https://read.qxmd.com/read/38505233/parkinson-s-disease-impairs-cortical-sensori-motor-decision-making-cascades
#12
JOURNAL ARTICLE
Alessandro Tomassini, Thomas E Cope, Jiaxiang Zhang, James B Rowe
The transformation from perception to action requires a set of neuronal decisions about the nature of the percept, identification and selection of response options and execution of the appropriate motor response. The unfolding of such decisions is mediated by distributed representations of the decision variables-evidence and intentions-that are represented through oscillatory activity across the cortex. Here we combine magneto-electroencephalography and linear ballistic accumulator models of decision-making to reveal the impact of Parkinson's disease during the selection and execution of action...
2024: Brain communications
https://read.qxmd.com/read/38503769/the-influence-of-cortical-activity-on-perception-depends-on-behavioral-state-and-sensory-context
#13
JOURNAL ARTICLE
Lloyd E Russell, Mehmet Fişek, Zidan Yang, Lynn Pei Tan, Adam M Packer, Henry W P Dalgleish, Selmaan N Chettih, Christopher D Harvey, Michael Häusser
The mechanistic link between neural circuit activity and behavior remains unclear. While manipulating cortical activity can bias certain behaviors and elicit artificial percepts, some tasks can still be solved when cortex is silenced or removed. Here, mice were trained to perform a visual detection task during which we selectively targeted groups of visually responsive and co-tuned neurons in L2/3 of primary visual cortex (V1) for two-photon photostimulation. The influence of photostimulation was conditional on two key factors: the behavioral state of the animal and the contrast of the visual stimulus...
March 19, 2024: Nature Communications
https://read.qxmd.com/read/38498569/the-condition-for-dynamic-stability-in-humans-walking-with-feedback-control
#14
JOURNAL ARTICLE
Hendrik Reimann, Sjoerd M Bruijn
The walking human body is mechanically unstable. Loss of stability and falling is more likely in certain groups of people, such as older adults or people with neuromotor impairments, as well as in certain situations, such as when experiencing conflicting or distracting sensory inputs. Stability during walking is often characterized biomechanically, by measures based on body dynamics and the base of support. Neural control of upright stability, on the other hand, does not factor into commonly used stability measures...
March 18, 2024: PLoS Computational Biology
https://read.qxmd.com/read/38486420/effect-of-modifying-pumpkin-preparation-on-oral-processing-of-breads
#15
JOURNAL ARTICLE
Wenjiao Li, Qi Zhao, Qian Mao
There is an increasing demand for texture sensations of bread during mastication, with reformulation being needed. This study investigated how bread structure influences oral processing behavior and texture perception. Variations in bread structure were created by manipulating ingredient additions, including pumpkin content and pumpkin processing methods. Results indicated that the physical, chemical, and structural properties drove the oral processing behaviors, and texture sensations were highly correlated with bolus properties...
April 2024: Journal of Texture Studies
https://read.qxmd.com/read/38484733/an-insular-cortical-circuit-required-for-itch-sensation-and-aversion
#16
JOURNAL ARTICLE
Jieyan Zheng, Xiao Min Zhang, Wenting Tang, Yonglin Li, Pei Wang, Jianhua Jin, Zhengyi Luo, Shunchang Fang, Shana Yang, Zicheng Wei, Kexin Song, Zihan Huang, Zihao Wang, Ziyu Zhu, Naizhen Shi, Diyun Xiao, Linyu Yuan, Hualin Shen, Lianyan Huang, Boxing Li
Itch encompasses both sensory and emotional dimensions, with the two dimensions reciprocally exacerbating each other. However, whether a shared neural circuit mechanism governs both dimensions remains elusive. Here, we report that the anterior insular cortex (AIC) is activated by both histamine-dependent and -independent itch stimuli. The activation of AIC elicits aversive emotion and exacerbates pruritogen-induced itch sensation and aversion. Mechanistically, AIC excitatory neurons project to the GABAergic neurons in the dorsal bed nucleus of the stria terminalis (dBNST)...
March 6, 2024: Current Biology: CB
https://read.qxmd.com/read/38483556/complex-alterations-in-inflammatory-pain-and-analgesic-sensitivity-in-young-and-ageing-female-rats-involvement-of-asic3-and-nav1-8-in-primary-sensory-neurons
#17
JOURNAL ARTICLE
Diego N Messina, Emanuel D Peralta, Cristian G Acosta
OBJECTIVE AND DESIGN: Our aim was to determine an age-dependent role of Nav1.8 and ASIC3 in dorsal root ganglion (DRG) neurons in a rat pre-clinical model of long-term inflammatory pain. METHODS: We compared 6 and 24 months-old female Wistar rats after cutaneous inflammation. We used behavioral pain assessments over time, qPCR, quantitative immunohistochemistry, selective pharmacological manipulation, ELISA and in vitro treatment with cytokines. RESULTS: Older rats exhibited delayed recovery from mechanical allodynia and earlier onset of spontaneous pain than younger rats after inflammation...
March 14, 2024: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://read.qxmd.com/read/38483414/self-reported-measures-of-function-compared-to-lower-limb-motor-performance-in-people-with-and-without-imaging-evidence-of-unilateral-lumbar-nerve-root-compression-a-cross-sectional-study
#18
JOURNAL ARTICLE
Shelley D Sargent, Geoffrey M Gelley, Steven R Passmore
OBJECTIVE: The primary objective of the present study was to determine if imaging findings of unilateral lumbar nerve root compression (ULNRC) impact performance on a coordinated motor performance task and to determine if there were correlations between motor performance and self-reported clinical measures. METHODS: People with back pain (N = 45) were stratified into 3 groups based on combinations of: lumbar imaging; and clinical presentation for ULNRC. Group 1 included people with imaging of lumbar nerve root compression, who presented with neurological deficit...
March 13, 2024: Journal of Manipulative and Physiological Therapeutics
https://read.qxmd.com/read/38478582/neuronal-ageing-is-promoted-by-the-decay-of-the-microtubule-cytoskeleton
#19
JOURNAL ARTICLE
Pilar Okenve-Ramos, Rory Gosling, Monika Chojnowska-Monga, Kriti Gupta, Samuel Shields, Haifa Alhadyian, Ceryce Collie, Emilia Gregory, Natalia Sanchez-Soriano
Natural ageing is accompanied by a decline in motor, sensory, and cognitive functions, all impacting quality of life. Ageing is also the predominant risk factor for many neurodegenerative diseases, including Parkinson's disease and Alzheimer's disease. We need to therefore gain a better understanding of the cellular and physiological processes underlying age-related neuronal decay. However, gaining this understanding is a slow process due to the large amount of time required to age mammalian or vertebrate animal models...
March 13, 2024: PLoS Biology
https://read.qxmd.com/read/38472766/enhancing-sensory-quality-of-coffee-the-impact-of-fermentation-techniques-on-coffea-arabica-cv-catigu%C3%A3-mg2
#20
JOURNAL ARTICLE
Lívia C F Silva, Paulo V R Pereira, Marcelo A D da Cruz, Gisele X R Costa, Renata A R Rocha, Pedro L L Bertarini, Laurence R do Amaral, Matheus S Gomes, Líbia D Santos
Fermentation, a critical post-harvest process, can be strategically manipulated to augment coffee quality. This enhancement is achieved through the activity of microorganisms, which generate metabolites instrumental in the formation of distinct sensory profiles. This study investigated the impact of different fermentation methods on the quality of coffee beverages, specifically utilizing the Catiguá MG2 variety. The experimental setup involved fermenting the coffee in 200 L bioreactors, employing both natural and pulped coffee beans...
February 21, 2024: Foods (Basel, Switzerland)
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